ci2 starts bisection 2025-09-12 14:55:47.486551356 +0000 UTC m=+70859.361366503
bisecting cause commit starting from 320475fbd590dc94a0a3d9173f81e0797ee1a232
building syzkaller on e2beed91937c0ace342f19a2e9afb67adb3a828a
ensuring issue is reproducible on original commit 320475fbd590dc94a0a3d9173f81e0797ee1a232

testing commit 320475fbd590dc94a0a3d9173f81e0797ee1a232 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 2056ba490d9995c14140024f1fff9a69c2fe1d16726d23291b619b7379070c49
all runs: crashed: KASAN: slab-out-of-bounds Read in xlog_cksum
representative crash: KASAN: slab-out-of-bounds Read in xlog_cksum, types: [KASAN-READ]
check whether we can drop unnecessary instrumentation
disabling configs for [bug_or_warning locking atomic_sleep hang memleak ubsan], they are not needed
testing commit 320475fbd590dc94a0a3d9173f81e0797ee1a232 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 2071b4c469bf351224618fa2dd6325442b6421e85264d89f44a06a3b1a227c40
all runs: crashed: KASAN: slab-out-of-bounds Read in xlog_cksum
representative crash: KASAN: slab-out-of-bounds Read in xlog_cksum, types: [KASAN-READ]
the bug reproduces without the instrumentation
disabling configs for [bug_or_warning locking atomic_sleep hang memleak ubsan], they are not needed
kconfig minimization: base=4092 full=8349 leaves diff=2174
split chunks (needed=false): <2174>
split chunk #0 of len 2174 into 5 parts
testing without sub-chunk 1/5
disabling configs for [locking atomic_sleep hang memleak ubsan bug_or_warning], they are not needed
testing commit 320475fbd590dc94a0a3d9173f81e0797ee1a232 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: ae60b9bf906517bb27f6b2ca42e3446887e144f43d139b05e6745180900fbf6d
all runs: crashed: KASAN: slab-out-of-bounds Read in xlog_cksum
representative crash: KASAN: slab-out-of-bounds Read in xlog_cksum, types: [KASAN-READ]
the chunk can be dropped
testing without sub-chunk 2/5
disabling configs for [memleak ubsan bug_or_warning locking atomic_sleep hang], they are not needed
testing commit 320475fbd590dc94a0a3d9173f81e0797ee1a232 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: ff7cef5d5bd331d939cd9b7423c34162140d3dbc7eabedeff17c4c1fc2ebf9d5
all runs: crashed: KASAN: slab-out-of-bounds Read in xlog_cksum
representative crash: KASAN: slab-out-of-bounds Read in xlog_cksum, types: [KASAN-READ]
the chunk can be dropped
testing without sub-chunk 3/5
disabling configs for [memleak ubsan bug_or_warning locking atomic_sleep hang], they are not needed
testing commit 320475fbd590dc94a0a3d9173f81e0797ee1a232 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 49988979392478c021e9d7e8155d27add3912bc2c4ddb0467fbdb413acba4f04
all runs: crashed: KASAN: slab-out-of-bounds Read in xlog_cksum
representative crash: KASAN: slab-out-of-bounds Read in xlog_cksum, types: [KASAN-READ]
the chunk can be dropped
testing without sub-chunk 4/5
disabling configs for [locking atomic_sleep hang memleak ubsan bug_or_warning], they are not needed
testing commit 320475fbd590dc94a0a3d9173f81e0797ee1a232 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: b05b141cdd1aff3bed91685ac714522ff4266cc0134529b253b0c192b826bf14
all runs: crashed: KASAN: slab-out-of-bounds Read in xlog_cksum
representative crash: KASAN: slab-out-of-bounds Read in xlog_cksum, types: [KASAN-READ]
the chunk can be dropped
testing without sub-chunk 5/5
disabling configs for [locking atomic_sleep hang memleak ubsan bug_or_warning], they are not needed
testing commit 320475fbd590dc94a0a3d9173f81e0797ee1a232 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 541d54077a8b7e1739b76a2521c915d2922a1177187692d8ecd43dc03229f66f
all runs: OK
false negative chance: 0.000
minimized to 434 configs; suspects: [ARCH_ENABLE_MEMORY_HOTREMOVE ATM BCMA BLK_DEV_ZONED BPF_SYSCALL CARDBUS CFG80211 CFG80211_WEXT CMA COMMON_CLK CONTIG_ALLOC DVB_CORE EXTCON GPIOLIB HID_ZEROPLUS I2C_MUX IIO IOMMUFD IRQ_REMAP KVM KVM_INTEL LIBNVDIMM MEDIA_ANALOG_TV_SUPPORT MEDIA_CAMERA_SUPPORT MEDIA_CEC_SUPPORT MEDIA_CONTROLLER MEDIA_DIGITAL_TV_SUPPORT MEDIA_RADIO_SUPPORT MEDIA_SDR_SUPPORT MEDIA_SUPPORT MEDIA_TEST_SUPPORT MEDIA_USB_SUPPORT MEMORY_HOTPLUG MEMORY_HOTREMOVE MFD_VIPERBOARD NOP_USB_XCEIV PARPORT PCCARD PCMCIA PHONET RADIO_ADAPTERS RADIO_SI470X RADIO_SI4713 RC_CORE RFKILL SND SOUND SPI SSB TAP TARGET_CORE TUN USB_ADUTUX USB_AIRSPY USB_ALI_M5632 USB_AMD5536UDC USB_AN2720 USB_APPLEDISPLAY USB_ARMLINUX USB_ATM USB_BDC_UDC USB_BELKIN USB_C67X00_HCD USB_CATC USB_CDC_PHONET USB_CDNS2_UDC USB_CDNS3 USB_CDNS3_GADGET USB_CDNS3_HOST USB_CDNS3_PCI_WRAP USB_CDNSP_GADGET USB_CDNSP_HOST USB_CDNSP_PCI USB_CDNS_HOST USB_CDNS_SUPPORT USB_CHAOSKEY USB_CHIPIDEA USB_CHIPIDEA_GENERIC USB_CHIPIDEA_HOST USB_CHIPIDEA_MSM USB_CHIPIDEA_NPCM USB_CHIPIDEA_PCI USB_CHIPIDEA_UDC USB_CONFIGFS USB_CONFIGFS_ACM USB_CONFIGFS_ECM USB_CONFIGFS_ECM_SUBSET USB_CONFIGFS_EEM USB_CONFIGFS_F_FS USB_CONFIGFS_F_HID USB_CONFIGFS_F_LB_SS USB_CONFIGFS_F_MIDI USB_CONFIGFS_F_MIDI2 USB_CONFIGFS_F_PRINTER USB_CONFIGFS_F_TCM USB_CONFIGFS_F_UAC1 USB_CONFIGFS_F_UAC1_LEGACY USB_CONFIGFS_F_UAC2 USB_CONFIGFS_F_UVC USB_CONFIGFS_MASS_STORAGE USB_CONFIGFS_NCM USB_CONFIGFS_OBEX USB_CONFIGFS_PHONET USB_CONFIGFS_RNDIS USB_CONFIGFS_SERIAL USB_CONN_GPIO USB_CXACRU USB_CYPRESS_CY7C63 USB_CYTHERM USB_DSBR USB_DUMMY_HCD USB_DWC2 USB_DWC2_HOST USB_DWC2_PCI USB_DWC3 USB_DWC3_GADGET USB_DWC3_HAPS USB_DWC3_OF_SIMPLE USB_DWC3_PCI USB_DWC3_ULPI USB_DYNAMIC_MINORS USB_EG20T USB_EHCI_FSL USB_EHCI_HCD_PLATFORM USB_EHCI_ROOT_HUB_TT USB_EHSET_TEST_FIXTURE USB_EMI26 USB_EMI62 USB_EPSON2888 USB_EZUSB_FX2 USB_FEW_INIT_RETRIES USB_F_ACM USB_F_ECM USB_F_EEM USB_F_FS USB_F_HID USB_F_MASS_STORAGE USB_F_MIDI USB_F_MIDI2 USB_F_NCM USB_F_OBEX USB_F_PHONET USB_F_PRINTER USB_F_RNDIS USB_F_SERIAL USB_F_SS_LB USB_F_SUBSET USB_F_TCM USB_F_UAC1 USB_F_UAC1_LEGACY USB_F_UAC2 USB_F_UVC USB_GADGET USB_GADGETFS USB_GADGET_DEBUG_FILES USB_GADGET_DEBUG_FS USB_GL860 USB_GOKU USB_GR_UDC USB_GSPCA USB_GSPCA_BENQ USB_GSPCA_CONEX USB_GSPCA_CPIA1 USB_GSPCA_DTCS033 USB_GSPCA_ETOMS USB_GSPCA_FINEPIX USB_GSPCA_JEILINJ USB_GSPCA_JL2005BCD USB_GSPCA_KINECT USB_GSPCA_KONICA USB_GSPCA_MARS USB_GSPCA_MR97310A USB_GSPCA_NW80X USB_GSPCA_OV519 USB_GSPCA_OV534 USB_GSPCA_OV534_9 USB_GSPCA_PAC207 USB_GSPCA_PAC7302 USB_GSPCA_PAC7311 USB_GSPCA_SE401 USB_GSPCA_SN9C2028 USB_GSPCA_SN9C20X USB_GSPCA_SONIXB USB_GSPCA_SONIXJ USB_GSPCA_SPCA1528 USB_GSPCA_SPCA500 USB_GSPCA_SPCA501 USB_GSPCA_SPCA505 USB_GSPCA_SPCA506 USB_GSPCA_SPCA508 USB_GSPCA_SPCA561 USB_GSPCA_SQ905 USB_GSPCA_SQ905C USB_GSPCA_SQ930X USB_GSPCA_STK014 USB_GSPCA_STK1135 USB_GSPCA_STV0680 USB_GSPCA_SUNPLUS USB_GSPCA_T613 USB_GSPCA_TOPRO USB_GSPCA_TOUPTEK USB_GSPCA_TV8532 USB_GSPCA_VC032X USB_GSPCA_VICAM USB_GSPCA_XIRLINK_CIT USB_GSPCA_ZC3XX USB_HACKRF USB_HCD_BCMA USB_HCD_SSB USB_HSIC_USB3503 USB_HSIC_USB4604 USB_HSO USB_HUB_USB251XB USB_IDMOUSE USB_IOWARRIOR USB_IPHETH USB_ISIGHTFW USB_ISP116X_HCD USB_ISP1301 USB_ISP1760 USB_ISP1760_DUAL_ROLE USB_ISP1760_HCD USB_ISP1761_UDC USB_KAWETH USB_KC2190 USB_KEENE USB_LAN78XX USB_LCD USB_LD USB_LEDS_TRIGGER_USBPORT USB_LED_TRIG USB_LEGOTOWER USB_LGM_PHY USB_LIBCOMPOSITE USB_LINK_LAYER_TEST USB_M5602 USB_MA901 USB_MAX3420_UDC USB_MAX3421_HCD USB_MDC800 USB_MICROTEK USB_MR800 USB_MSI2500 USB_MUSB_DUAL_ROLE USB_MUSB_HDRC USB_NET2280 USB_NET_AQC111 USB_NET_AX88179_178A USB_NET_AX8817X USB_NET_CDCETHER USB_NET_CDC_EEM USB_NET_CDC_MBIM USB_NET_CDC_NCM USB_NET_CDC_SUBSET USB_NET_CDC_SUBSET_ENABLE USB_NET_CH9200 USB_NET_CX82310_ETH USB_NET_DM9601 USB_NET_GL620A USB_NET_HUAWEI_CDC_NCM USB_NET_INT51X1 USB_NET_KALMIA USB_NET_MCS7830 USB_NET_NET1080 USB_NET_PLUSB USB_NET_QMI_WWAN USB_NET_RNDIS_HOST USB_NET_SMSC75XX USB_NET_SMSC95XX USB_NET_SR9700 USB_NET_SR9800 USB_NET_ZAURUS USB_OHCI_HCD_PLATFORM USB_OTG USB_OTG_FSM USB_OXU210HP_HCD USB_PEGASUS USB_PULSE8_CEC USB_PWC USB_PWC_INPUT_EVDEV USB_PXA27X USB_R8A66597 USB_R8A66597_HCD USB_RAINSHADOW_CEC USB_RAREMONO USB_RAW_GADGET USB_RTL8150 USB_RTL8152 USB_RTL8153_ECM USB_S2255 USB_SERIAL USB_SERIAL_AIRCABLE USB_SERIAL_ARK3116 USB_SERIAL_BELKIN USB_SERIAL_CH341 USB_SERIAL_CONSOLE USB_SERIAL_CP210X USB_SERIAL_CYBERJACK USB_SERIAL_CYPRESS_M8 USB_SERIAL_DEBUG USB_SERIAL_DIGI_ACCELEPORT USB_SERIAL_EDGEPORT USB_SERIAL_EDGEPORT_TI USB_SERIAL_EMPEG USB_SERIAL_F81232 USB_SERIAL_F8153X USB_SERIAL_FTDI_SIO USB_SERIAL_GARMIN USB_SERIAL_GENERIC USB_SERIAL_IPAQ USB_SERIAL_IPW USB_SERIAL_IR USB_SERIAL_IUU USB_SERIAL_KEYSPAN USB_SERIAL_KEYSPAN_PDA USB_SERIAL_KLSI USB_SERIAL_KOBIL_SCT USB_SERIAL_MCT_U232 USB_SERIAL_METRO USB_SERIAL_MOS7715_PARPORT USB_SERIAL_MOS7720 USB_SERIAL_MOS7840 USB_SERIAL_MXUPORT USB_SERIAL_NAVMAN USB_SERIAL_OMNINET USB_SERIAL_OPTICON USB_SERIAL_OPTION USB_SERIAL_OTI6858 USB_SERIAL_PL2303 USB_SERIAL_QCAUX USB_SERIAL_QT2 USB_SERIAL_QUALCOMM USB_SERIAL_SAFE USB_SERIAL_SIERRAWIRELESS USB_SERIAL_SIMPLE USB_SERIAL_SPCP8X5 USB_SERIAL_SSU100 USB_SERIAL_SYMBOL USB_SERIAL_TI USB_SERIAL_UPD78F0730 USB_SERIAL_VISOR USB_SERIAL_WHITEHEAT USB_SERIAL_WISHBONE USB_SERIAL_WWAN USB_SERIAL_XR USB_SERIAL_XSENS_MT USB_SEVSEG USB_SI470X USB_SI4713 USB_SIERRA_NET USB_SISUSBVGA USB_SL811_CS USB_SL811_HCD USB_SL811_HCD_ISO USB_SNP_CORE USB_SPEEDTOUCH USB_STORAGE_ALAUDA USB_STORAGE_CYPRESS_ATACB USB_STORAGE_DATAFAB USB_STORAGE_ENE_UB6250 USB_STORAGE_FREECOM USB_STORAGE_ISD200 USB_STORAGE_JUMPSHOT USB_STORAGE_KARMA USB_STORAGE_ONETOUCH USB_STORAGE_SDDR09 USB_STORAGE_SDDR55 USB_STORAGE_USBAT USB_STV06XX USB_TEST USB_TMC USB_TRANCEVIBRATOR USB_UAS USB_UEAGLEATM USB_ULPI_BUS USB_USBNET USB_USS720 USB_U_AUDIO USB_U_ETHER USB_U_SERIAL USB_VIDEO_CLASS USB_VIDEO_CLASS_INPUT_EVDEV USB_VL600 USB_WDM USB_XHCI_DBGCAP USB_XHCI_PCI_RENESAS USB_XHCI_PLATFORM USB_XUSBATM USB_YUREX USERFAULTFD USERIO USER_RETURN_NOTIFIER UVC_COMMON U_SERIAL_CONSOLE V4L2_ASYNC V4L2_FWNODE V4L2_MEM2MEM_DEV V4L_TEST_DRIVERS VALIDATE_FS_PARSER VDPA VDPA_SIM VDPA_SIM_BLOCK VDPA_SIM_NET VETH VFIO VFIO_DEVICE_CDEV VFIO_PCI VFIO_PCI_CORE VFIO_PCI_INTX VFIO_VIRQFD VGASTATE VHOST VHOST_CROSS_ENDIAN_LEGACY VHOST_ENABLE_FORK_OWNER_CONTROL VHOST_IOTLB VHOST_NET VHOST_RING VHOST_TASK VHOST_VDPA VHOST_VSOCK VIDEO VIDEOBUF2_CORE VIDEOBUF2_DMA_CONTIG VIDEOBUF2_DMA_SG VIDEOBUF2_MEMOPS VIDEOBUF2_V4L2 VIDEOBUF2_VMALLOC VIDEOMODE_HELPERS VIDEO_AU0828 VIDEO_AU0828_RC VIDEO_AU0828_V4L2 VIDEO_CAMERA_LENS VIDEO_CS53L32A VIDEO_CX231XX VIDEO_CX231XX_ALSA VIDEO_CX231XX_DVB VIDEO_CX231XX_RC VIDEO_CX2341X VIDEO_CX25840 VIDEO_DEV VIDEO_EM28XX VIDEO_EM28XX_ALSA VIDEO_EM28XX_DVB VIDEO_EM28XX_RC VIDEO_EM28XX_V4L2 VIDEO_GO7007 VIDEO_GO7007_LOADER VIDEO_GO7007_USB VIDEO_GO7007_USB_S2250_BOARD VIDEO_HDPVR VIDEO_MSP3400 VIDEO_PVRUSB2 VIDEO_PVRUSB2_DVB VIDEO_PVRUSB2_SYSFS VIDEO_SAA711X VIDEO_STK1160 VIDEO_TUNER VIDEO_TVEEPROM VIDEO_USBTV VIDEO_V4L2_I2C VIDEO_V4L2_SUBDEV_API VIDEO_V4L2_TPG VIDEO_VICODEC VIDEO_VIM2M VIDEO_VIMC VIDEO_VIVID VIDEO_VIVID_CEC VIDEO_WM8775 VIPERBOARD_ADC VIRTIO_BALLOON VIRTIO_DMA_SHARED_BUFFER VIRTIO_MEM VIRTIO_MMIO VIRTIO_MMIO_CMDLINE_DEVICES VIRTIO_PMEM VIRTIO_VDPA VIRTIO_VSOCKETS VIRTIO_VSOCKETS_COMMON VIRT_WIFI VLAN_8021Q VLAN_8021Q_GVRP VLAN_8021Q_MVRP VMWARE_VMCI VMXNET3 VP_VDPA VSOCKETS VSOCKETS_DIAG VSOCKETS_LOOPBACK VSOCKMON VT_HW_CONSOLE_BINDING VXFS_FS WANT_DEV_COREDUMP WEXT_CORE WEXT_PROC WIREGUARD WIRELESS WLAN WLAN_VENDOR_ADMTEK WLAN_VENDOR_SILABS X86_SGX X86_SGX_KVM X86_USER_SHADOW_STACK XDP_SOCKETS XDP_SOCKETS_DIAG XFRM_ESPINTCP XFRM_INTERFACE XFRM_IPCOMP XFRM_MIGRATE XFRM_OFFLOAD XFRM_STATISTICS XFRM_SUB_POLICY XFRM_USER_COMPAT XFS_FS XFS_POSIX_ACL XFS_QUOTA XFS_RT XILLYBUS_CLASS XILLYUSB XOR_BLOCKS YENTA YENTA_ENE_TUNE YENTA_O2 YENTA_RICOH YENTA_TI YENTA_TOSHIBA ZEROPLUS_FF ZLIB_DEFLATE ZONEFS_FS ZPOOL ZRAM ZRAM_BACKEND_FORCE_LZO ZRAM_BACKEND_LZO ZRAM_DEF_COMP_LZO ZSMALLOC ZSTD_COMPRESS ZSWAP ZSWAP_COMPRESSOR_DEFAULT_842 ZSWAP_DEFAULT_ON ZSWAP_SHRINKER_DEFAULT_ON ZSWAP_ZPOOL_DEFAULT_ZSMALLOC]
disabling configs for [hang memleak ubsan bug_or_warning locking atomic_sleep], they are not needed
picked [v6.16 v6.15 v6.14 v6.12 v6.10 v6.8 v6.6 v6.4 v6.1 v5.18 v5.15 v5.12 v5.9 v5.6 v5.3 v5.0 v4.19] out of 39 release tags
testing release v6.16
testing commit 038d61fd642278bab63ee8ef722c50d10ab01e8f gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 7b51235baeab0de00fde3f6cc616cd91eb09db9f355ca68aefd458bc14ad48d4
run #0: crashed: KASAN: slab-out-of-bounds Read in xlog_cksum
run #1: crashed: KASAN: slab-out-of-bounds Read in xlog_cksum
run #2: crashed: KASAN: slab-out-of-bounds Read in xlog_cksum
run #3: crashed: KASAN: slab-out-of-bounds Read in xlog_cksum
run #4: crashed: KASAN: slab-out-of-bounds Read in xlog_cksum
run #5: crashed: KASAN: slab-out-of-bounds Read in xlog_cksum
run #6: crashed: KASAN: slab-out-of-bounds Read in xlog_cksum
run #7: crashed: KFENCE: out-of-bounds read in xlog_cksum
run #8: crashed: KASAN: slab-out-of-bounds Read in xlog_cksum
run #9: crashed: KASAN: slab-out-of-bounds Read in xlog_cksum
representative crash: KASAN: slab-out-of-bounds Read in xlog_cksum, types: [KASAN-READ]
testing release v6.15
testing commit 0ff41df1cb268fc69e703a08a57ee14ae967d0ca gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: bacf828868b68b27295411be0f377fcbfe58fe3363cf037de83cfd583c2bc214
all runs: crashed: KASAN: slab-out-of-bounds Read in xlog_cksum
representative crash: KASAN: slab-out-of-bounds Read in xlog_cksum, types: [KASAN-READ]
testing release v6.14
testing commit 38fec10eb60d687e30c8c6b5420d86e8149f7557 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: dde3e9472c7dee9b35d7cc69cd0001f3035d50cd81512d57264d37587d3fdaaf
all runs: crashed: KASAN: slab-out-of-bounds Read in xlog_cksum
representative crash: KASAN: slab-out-of-bounds Read in xlog_cksum, types: [KASAN-READ]
testing release v6.12
testing commit adc218676eef25575469234709c2d87185ca223a gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 0ca896756da93ac269b2fbae73671dc154f78d8cbb0a9312ca44cdd8c8908fdc
all runs: crashed: KASAN: slab-out-of-bounds Read in __crc32c_le_base
representative crash: KASAN: slab-out-of-bounds Read in __crc32c_le_base, types: [KASAN-READ]
testing release v6.10
testing commit 0c3836482481200ead7b416ca80c68a29cfdaabd gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: a4017f8cee4f416ead812761ce8eccc2d72c3d657e7158a598be24a4c376910f
all runs: crashed: KASAN: slab-out-of-bounds Read in __crc32c_le_base
representative crash: KASAN: slab-out-of-bounds Read in __crc32c_le_base, types: [KASAN-READ]
testing release v6.8
testing commit e8f897f4afef0031fe618a8e94127a0934896aba gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 247cb8c81a158c02f15ca9801b80d876fbfba0a2424007d71564dd6611a18e45
all runs: crashed: KASAN: slab-out-of-bounds Read in __crc32c_le_base
representative crash: KASAN: slab-out-of-bounds Read in __crc32c_le_base, types: [KASAN-READ]
testing release v6.6
testing commit ffc253263a1375a65fa6c9f62a893e9767fbebfa gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: fbd8af68a25bc0ee64f9921cf41f6a88decaf032a1d96b15595834f8b2f66ee7
all runs: crashed: KASAN: slab-out-of-bounds Read in __crc32c_le_base
representative crash: KASAN: slab-out-of-bounds Read in __crc32c_le_base, types: [KASAN-READ]
testing release v6.4
testing commit 6995e2de6891c724bfeb2db33d7b87775f913ad1 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 9af25c1abd31398fd8358c9e5f3d38280f7ec0bbc18e8e218d91683a45d5d6d2
all runs: crashed: KASAN: slab-out-of-bounds Read in __crc32c_le_base
representative crash: KASAN: slab-out-of-bounds Read in __crc32c_le_base, types: [KASAN-READ]
testing release v6.1
testing commit 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 27c68f383052d89eb193fc0c7cd1fab7756f90d405af14425acd07b344c706c5
all runs: boot failed: can't ssh into the instance
unable to determine the verdict: 0 good runs (wanted 5), for bad wanted 5 in total, got 0
testing release v5.18
testing commit 4b0986a3613c92f4ec1bdc7f60ec66fea135991f gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: c14fd2dac95fb4a55bc3b8e1c4c5a720b9b67d6a3022b4951a372fa32cd0e67a
all runs: boot failed: can't ssh into the instance
unable to determine the verdict: 0 good runs (wanted 5), for bad wanted 5 in total, got 0
testing release v5.15
testing commit 8bb7eca972ad531c9b149c0a51ab43a417385813 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: f6080b0c721f6cbc7177c1094d62836123a628c6a3b2f2ca115d0ada94249928
all runs: crashed: KASAN: slab-out-of-bounds Read in chksum_update
representative crash: KASAN: slab-out-of-bounds Read in chksum_update, types: [KASAN-READ]
testing release v5.12
testing commit 9f4ad9e425a1d3b6a34617b8ea226d56a119a717 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: d0ab1b77386f918f7a5a63ac521ed54dd754b7d150d3092d54960c5a7049724b
all runs: crashed: KASAN: slab-out-of-bounds Read in chksum_update
representative crash: KASAN: slab-out-of-bounds Read in chksum_update, types: [KASAN-READ]
testing release v5.9
testing commit bbf5c979011a099af5dc76498918ed7df445635b gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 5543e6f531196ec184db13f6cccdba0346941bd4630887fac398382db3c068b5
all runs: OK
false negative chance: 0.000
# git bisect start 9f4ad9e425a1d3b6a34617b8ea226d56a119a717 bbf5c979011a099af5dc76498918ed7df445635b
Bisecting: 23480 revisions left to test after this (roughly 15 steps)
[0cee54c890a40051928991072e5d1cd279611dfd] Merge tag 'usb-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

testing commit 0cee54c890a40051928991072e5d1cd279611dfd gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 53eb95c2f5f0d9fd235cb5ed05a5f7923dfab0d3a8b4694bd639931721d088f8
all runs: crashed: KASAN: slab-out-of-bounds Read in chksum_update
representative crash: KASAN: slab-out-of-bounds Read in chksum_update, types: [KASAN-READ]
# git bisect bad 0cee54c890a40051928991072e5d1cd279611dfd
Bisecting: 11825 revisions left to test after this (roughly 14 steps)
[9453b2d4694c2cb6c30d99e65d4a3deb09e94ac3] Merge tag 'for-linus-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml

testing commit 9453b2d4694c2cb6c30d99e65d4a3deb09e94ac3 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 00daebf266718b1e7548fef40b23a301b76711d6242305f65cc4ee20d867e7ef
all runs: boot failed: invalid opcode in virtnet_send_command
unable to determine the verdict: 0 good runs (wanted 5), for bad wanted 5 in total, got 0
# git bisect skip 9453b2d4694c2cb6c30d99e65d4a3deb09e94ac3
Bisecting: 11822 revisions left to test after this (roughly 14 steps)
[c922781fef43d2ddbdef36a3a281441bb153377b] mm: remove duplicate include statement in mmu.c

testing commit c922781fef43d2ddbdef36a3a281441bb153377b gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: fac696b119227346eaf9cd69a953ca7f7221e34961205f41dc63d5c553b550ff
all runs: boot failed: invalid opcode in virtnet_send_command
unable to determine the verdict: 0 good runs (wanted 5), for bad wanted 5 in total, got 0
# git bisect skip c922781fef43d2ddbdef36a3a281441bb153377b
Bisecting: 11822 revisions left to test after this (roughly 14 steps)
[9729ff4cc516cb88e47cda0eff4eaf95e73c5a06] mt76: testmode: add a limit for queued tx_frames packets

testing commit 9729ff4cc516cb88e47cda0eff4eaf95e73c5a06 gcc
compiler: gcc (GCC) 8.4.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: d039bf2ba41533a63e650fc2c76e9368b8aaa6ce8a765dffa778f317b1d8ab2a
all runs: OK
false negative chance: 0.000
# git bisect good 9729ff4cc516cb88e47cda0eff4eaf95e73c5a06
Bisecting: 11320 revisions left to test after this (roughly 14 steps)
[ed7cfefe4443dcc811e84b345a3fb122eeb47661] Merge tag 'ceph-for-5.10-rc1' of git://github.com/ceph/ceph-client

testing commit ed7cfefe4443dcc811e84b345a3fb122eeb47661 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 26bbdb934b91e46283088ef17e332efded7cdce7488699a8d526e145d2008f92
all runs: boot failed: invalid opcode in virtnet_send_command
unable to determine the verdict: 0 good runs (wanted 5), for bad wanted 5 in total, got 0
# git bisect skip ed7cfefe4443dcc811e84b345a3fb122eeb47661
Bisecting: 11320 revisions left to test after this (roughly 14 steps)
[704b18250f59094f444d2728acccf52c185ac290] ARM: s3c24xx: bast: avoid irq_desc array usage

testing commit 704b18250f59094f444d2728acccf52c185ac290 gcc
compiler: gcc (GCC) 8.4.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 429eca0a2c78a46cf59f03dbfca1c5ba5a4ffdb04e242b3a26ba8e7b561ed647
all runs: OK
false negative chance: 0.000
# git bisect good 704b18250f59094f444d2728acccf52c185ac290
Bisecting: 11271 revisions left to test after this (roughly 14 steps)
[c821e0fbb2584bd565c3276d06f0d0889c04db59] drm/amdgpu: add smu ip block for vangogh

testing commit c821e0fbb2584bd565c3276d06f0d0889c04db59 gcc
compiler: gcc (GCC) 8.4.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 7aa82e90e1aafd4a9debd49ab357cfb094621b99719bad5e5ac5d1ccaa3af0eb
all runs: OK
false negative chance: 0.000
# git bisect good c821e0fbb2584bd565c3276d06f0d0889c04db59
Bisecting: 10772 revisions left to test after this (roughly 13 steps)
[ceae608a54898fff2aa0aba358fe81af027ef8c9] Merge tag 'pwm/for-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm

testing commit ceae608a54898fff2aa0aba358fe81af027ef8c9 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: d5af892002f145dd286541bfe4acff317966e316c48037edb56101aefdef37e6
all runs: boot failed: invalid opcode in virtnet_send_command
unable to determine the verdict: 0 good runs (wanted 5), for bad wanted 5 in total, got 0
# git bisect skip ceae608a54898fff2aa0aba358fe81af027ef8c9
Bisecting: 10772 revisions left to test after this (roughly 13 steps)
[c62e2e94b9d4a221f489cfeacf665c50aa9ab6cf] KVM: SVM: Modify 64 bit intercept field to two 32 bit vectors

testing commit c62e2e94b9d4a221f489cfeacf665c50aa9ab6cf gcc
compiler: gcc (GCC) 8.4.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: a73e1e107066046169db39c1439c41735a9eb7389f899a2662d65b8aaf75cad7
all runs: OK
false negative chance: 0.000
# git bisect good c62e2e94b9d4a221f489cfeacf665c50aa9ab6cf
Bisecting: 10743 revisions left to test after this (roughly 13 steps)
[fccf111e471d0e608a96844e093bba0147bb8bba] Merge branch 'net-hns3-updates-for-next'

testing commit fccf111e471d0e608a96844e093bba0147bb8bba gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: abb94b123ea58ddb5aa7acf56fbc64159479b49a737fab0566866ad109444443
all runs: crashed: KASAN: slab-out-of-bounds Read in chksum_update
representative crash: KASAN: slab-out-of-bounds Read in chksum_update, types: [KASAN-READ]
# git bisect bad fccf111e471d0e608a96844e093bba0147bb8bba
Bisecting: 7566 revisions left to test after this (roughly 13 steps)
[4d0e9df5e43dba52d38b251e3b909df8fa1110be] lib, uaccess: add failure injection to usercopy functions

testing commit 4d0e9df5e43dba52d38b251e3b909df8fa1110be gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: f8986297a82dfee78776552493c41c3678b778a05900b6dacc15c77a5e61859b
all runs: crashed: KASAN: slab-out-of-bounds Read in chksum_update
representative crash: KASAN: slab-out-of-bounds Read in chksum_update, types: [KASAN-READ]
# git bisect bad 4d0e9df5e43dba52d38b251e3b909df8fa1110be
Bisecting: 3442 revisions left to test after this (roughly 12 steps)
[4815519ed0af833884ce9c288183bf1ae3cb9caa] Merge tag 'for-5.10/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm

testing commit 4815519ed0af833884ce9c288183bf1ae3cb9caa gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 699295565205b79105577b4824352b4e12dcd3cad42996d088284c933809210b
all runs: crashed: KASAN: slab-out-of-bounds Read in chksum_update
representative crash: KASAN: slab-out-of-bounds Read in chksum_update, types: [KASAN-READ]
# git bisect bad 4815519ed0af833884ce9c288183bf1ae3cb9caa
Bisecting: 1501 revisions left to test after this (roughly 11 steps)
[fd5c32d80884268a381ed0e67cccef0b3d37750b] Merge tag 'media/v5.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

testing commit fd5c32d80884268a381ed0e67cccef0b3d37750b gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: c7f45538bb0f8c8d3a1007aee5ca10f3e985b62dd95089d4f203d9da52c5876b
all runs: OK
false negative chance: 0.000
# git bisect good fd5c32d80884268a381ed0e67cccef0b3d37750b
Bisecting: 741 revisions left to test after this (roughly 10 steps)
[7cd4ecd9177b94af783b8e21de7c65b41a871342] Merge tag 'drivers-5.10-2020-10-12' of git://git.kernel.dk/linux-block

testing commit 7cd4ecd9177b94af783b8e21de7c65b41a871342 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: cae94de0be1fa48f9feff8e178ae095797fd7a36da2eb2a4722579e910b30d1e
all runs: OK
false negative chance: 0.000
# git bisect good 7cd4ecd9177b94af783b8e21de7c65b41a871342
Bisecting: 374 revisions left to test after this (roughly 9 steps)
[da9803dfd3955bd2f9909d55e23f188ad76dbe58] Merge tag 'x86_seves_for_v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

testing commit da9803dfd3955bd2f9909d55e23f188ad76dbe58 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 3b1383b6a8afcfa95c020988ec7c69a70c1ffef385333ed9bcba73d838067245
all runs: OK
false negative chance: 0.000
# git bisect good da9803dfd3955bd2f9909d55e23f188ad76dbe58
Bisecting: 186 revisions left to test after this (roughly 8 steps)
[cf1d2b44f6c701ffff58606b5b8a8996190d6e7d] Merge tag 'acpi-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

testing commit cf1d2b44f6c701ffff58606b5b8a8996190d6e7d gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 476207d20b2547c1bcbb60eaf03fadc9618f2aed63ede552c868a0bf9b183f12
all runs: OK
false negative chance: 0.000
# git bisect good cf1d2b44f6c701ffff58606b5b8a8996190d6e7d
Bisecting: 99 revisions left to test after this (roughly 7 steps)
[37187df45af7d28d27b5c130c23f407ca9dbefa2] Merge tag 'iomap-5.10-merge-4' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux

testing commit 37187df45af7d28d27b5c130c23f407ca9dbefa2 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 26708815c095c59a36d5bcc4580ed57e78d6870b999d7d5795fcf28a85627280
all runs: OK
false negative chance: 0.000
# git bisect good 37187df45af7d28d27b5c130c23f407ca9dbefa2
Bisecting: 53 revisions left to test after this (roughly 6 steps)
[9e51183e9462852ad8d1f3b6c687500b770605f4] Merge tag 'linux-kselftest-fixes-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest

testing commit 9e51183e9462852ad8d1f3b6c687500b770605f4 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: dbf50bfe3f95b4f9b7b7d454f63ff0cc720e1b77fd2e856b5ec4439708988df0
all runs: crashed: KASAN: slab-out-of-bounds Read in chksum_update
representative crash: KASAN: slab-out-of-bounds Read in chksum_update, types: [KASAN-READ]
# git bisect bad 9e51183e9462852ad8d1f3b6c687500b770605f4
Bisecting: 22 revisions left to test after this (roughly 5 steps)
[876fdc7c4f366a709ac272ef3336ae7dce58f2af] xfs: explicitly define inode timestamp range

testing commit 876fdc7c4f366a709ac272ef3336ae7dce58f2af gcc
compiler: gcc (GCC) 8.4.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 9ec09a61d177af3f787d6601fbd66cb65b100d442a0d486400ae2bd7f5366781
all runs: OK
false negative chance: 0.000
# git bisect good 876fdc7c4f366a709ac272ef3336ae7dce58f2af
Bisecting: 10 revisions left to test after this (roughly 4 steps)
[6337c84466c250d5da797bc5d6941c501d500e48] xfs: remove typedef xfs_attr_sf_entry_t

testing commit 6337c84466c250d5da797bc5d6941c501d500e48 gcc
compiler: gcc (GCC) 8.4.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 61a8b0c232e27795edcfc38f0376174e2303b2fa270e550a75329e0f8ed49b46
all runs: crashed: KASAN: slab-out-of-bounds Read in __crc32c_le_base
representative crash: KASAN: slab-out-of-bounds Read in __crc32c_le_base, types: [KASAN-READ]
# git bisect bad 6337c84466c250d5da797bc5d6941c501d500e48
Bisecting: 5 revisions left to test after this (roughly 3 steps)
[30e05599219f3c15bd5f24190af0e33cdb4a00e5] xfs: redefine xfs_ictimestamp_t

testing commit 30e05599219f3c15bd5f24190af0e33cdb4a00e5 gcc
compiler: gcc (GCC) 8.4.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 4d25d4e1396d0bb2f66d9eb30258348eae3c3ee2602c2b93de8d02ab34420dbf
all runs: OK
false negative chance: 0.000
# git bisect good 30e05599219f3c15bd5f24190af0e33cdb4a00e5
Bisecting: 2 revisions left to test after this (roughly 2 steps)
[06dbf82b044cbc268612958af0bc6c3529385ca0] xfs: trace timestamp limits

revisions tested: 41, total time: 12h12m7.138795112s (build: 4h35m33.913878952s, test: 7h11m33.267031037s)
error: bisection is taking too long (>12h0m0s), aborting